:root{--green:#00a651;--green2:#078d49;--dark:#111827;--muted:#64748b;--soft:#f4f8f6;--line:#e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--dark);background:#fff}a{text-decoration:none;color:inherit}.container{width:min(1200px,92%);margin:auto}.topbar{background:#0c1b15;color:#d7fff0;font-size:13px}.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between}.logo img{height:58px}.menu-btn{display:none;background:var(--green);border:0;color:white;border-radius:12px;font-size:24px;padding:8px 12px}nav{display:flex;gap:22px;align-items:center;font-weight:700;font-size:14px}nav a{color:#263238}nav a.active,nav a:hover{color:var(--green)}.nav-cta{background:var(--green);color:#fff!important;padding:13px 20px;border-radius:999px;box-shadow:0 12px 25px rgba(0,166,81,.25)}.hero{position:relative;min-height:720px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(0,166,81,.22),transparent 30%),linear-gradient(135deg,#081611,#123326 55%,#f7fbf9 55%)}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,10,8,.9),rgba(4,10,8,.55),rgba(255,255,255,.1))}.hero .container{position:relative;z-index:2}.hero-content{max-width:720px;color:#fff}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:9px 14px;border-radius:999px;color:#d7fff0;font-weight:700}.hero h1{font-size:clamp(42px,6vw,76px);line-height:.98;margin:22px 0 18px;font-weight:900;letter-spacing:-2px}.hero p{font-size:20px;line-height:1.65;color:#e7f8f0}.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:15px 24px;font-weight:800}.btn-primary{background:var(--green);color:#fff}.btn-white{background:#fff;color:#123326}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-60px;position:relative;z-index:5}.stat{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 20px 50px rgba(15,23,42,.08)}.stat b{display:block;font-size:34px;color:var(--green)}.section{padding:90px 0}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head h2{font-size:42px;line-height:1.1;margin:0;letter-spacing:-1px}.section-head p{color:var(--muted);max-width:560px;line-height:1.7}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:0 15px 35px rgba(15,23,42,.06);transition:.25s}.card:hover{transform:translateY(-6px);box-shadow:0 25px 55px rgba(0,166,81,.13)}.icon{width:58px;height:58px;background:linear-gradient(135deg,var(--green),#18c978);color:#fff;border-radius:18px;display:grid;place-items:center;font-size:26px;margin-bottom:20px}.card h3{margin:0 0 12px;font-size:21px}.card p,.lead{color:var(--muted);line-height:1.75}.product{padding:0;overflow:hidden}.product .img{height:210px;background:linear-gradient(135deg,#e8f8f0,#d8ede4);display:grid;place-items:center;font-size:58px}.product .body{padding:24px}.dark-band{background:#07120e;color:#fff;padding:90px 0;position:relative;overflow:hidden}.dark-band:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(0,166,81,.22);right:-120px;top:-180px}.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.mock-img{min-height:420px;border-radius:34px;background:linear-gradient(135deg,#0b271c,#00a651);box-shadow:0 30px 70px rgba(0,0,0,.18);position:relative;overflow:hidden}.mock-img:before{content:"METHAN";position:absolute;left:35px;top:35px;color:rgba(255,255,255,.18);font-size:72px;font-weight:900}.mock-img:after{content:"PANO & KABİN SİSTEMLERİ";position:absolute;right:30px;bottom:30px;color:white;font-weight:900;letter-spacing:2px}.page-hero{background:linear-gradient(135deg,#07120e,#11452d);color:#fff;padding:96px 0}.page-hero h1{font-size:54px;margin:0 0 14px}.page-hero p{max-width:760px;color:#dcfff0;line-height:1.7}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.gallery div{height:240px;border-radius:24px;background:linear-gradient(135deg,#e8f8f0,#b7eacc);display:grid;place-items:center;font-weight:900;color:#075c32}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:30px}.form input,.form textarea{width:100%;padding:16px 18px;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;font:inherit}.form textarea{height:150px}.footer{background:#07120e;color:#cbd5e1;padding-top:70px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}.footer-logo{height:58px;background:#fff;border-radius:12px;padding:4px}.footer a{display:block;margin:10px 0;color:#d8efe5}.footer h4{color:#fff}.copy{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:20px;margin-top:40px;color:#94a3b8}@media(max-width:900px){.topbar{display:none}.menu-btn{display:block}nav{display:none;position:absolute;left:0;right:0;top:82px;background:#fff;flex-direction:column;padding:22px;border-bottom:1px solid var(--line)}.menu-open nav{display:flex}.hero{min-height:620px}.stats,.grid-3,.grid-4,.split,.contact-box,.footer-grid,.gallery{grid-template-columns:1fr}.section-head{display:block}.section{padding:64px 0}.page-hero h1{font-size:40px}.logo img{height:46px}}
.card-img{width:100%;height:210px;object-fit:cover;display:block}.gallery a{background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;color:#111827;text-align:center;box-shadow:0 15px 35px rgba(15,23,42,.06)}.gallery-img{width:100%;height:240px;object-fit:cover;border-radius:18px;display:block;margin-bottom:10px}.content-html{line-height:1.8;color:#334155}.content-html h2,.content-html h3{color:#111827}.alert{background:#dcfce7;color:#14532d;border-radius:14px;padding:12px;margin-bottom:14px;font-weight:700}
.page-hero{
    padding:140px 0 90px;
    background:linear-gradient(135deg,#06140c,#0b2f1b 55%,#111);
    color:#fff;
    position:relative;
    overflow:hidden;
}

.page-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:radial-gradient(circle at 80% 20%,rgba(0,166,81,.35),transparent 35%);
}

.page-hero .container{
    position:relative;
    z-index:2;
}

.eyebrow,
.section-tag{
    display:inline-block;
    color:#00a651;
    font-weight:700;
    letter-spacing:.08em;
    font-size:13px;
    margin-bottom:14px;
}

.page-hero h1{
    font-size:58px;
    margin:0 0 15px;
}

.page-hero p{
    max-width:720px;
    font-size:20px;
    color:#d8e8df;
}

.about-section,
.values-section{
    padding:90px 0;
    background:#fff;
}

.about-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}

.about-image img{
    width:100%;
    border-radius:28px;
    box-shadow:0 25px 70px rgba(0,0,0,.15);
}

.about-content h2,
.section-title h2{
    font-size:40px;
    color:#132018;
    margin-bottom:22px;
}

.about-content p{
    color:#59645d;
    font-size:17px;
    line-height:1.8;
    margin-bottom:18px;
}

.mission-section{
    padding:80px 0;
    background:#f4f8f5;
}

.mission-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:28px;
}

.mission-card{
    background:#fff;
    padding:38px;
    border-radius:24px;
    box-shadow:0 15px 45px rgba(0,0,0,.06);
}

.mission-card.dark{
    background:#0b2415;
    color:#fff;
}

.mission-card h3{
    font-size:25px;
    margin-bottom:15px;
}

.mission-card p{
    color:#66736b;
    line-height:1.7;
}

.mission-card.dark p{
    color:#d8e8df;
}

.section-title{
    text-align:center;
    max-width:700px;
    margin:0 auto 50px;
}

.values-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
}

.value-box{
    padding:32px;
    border-radius:24px;
    border:1px solid #e3eee7;
    background:#fff;
    transition:.3s;
}

.value-box:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 55px rgba(0,166,81,.13);
}

.value-box strong{
    color:#00a651;
    font-size:28px;
}

.value-box h4{
    margin:18px 0 12px;
    font-size:21px;
    color:#132018;
}

.value-box p{
    color:#637067;
    line-height:1.6;
}

.cta-section{
    padding:70px 0;
    background:#0b2415;
}

.cta-box{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:30px;
    color:#fff;
}

.cta-box h2{
    font-size:34px;
    margin-bottom:10px;
}

.cta-box p{
    color:#cde5d6;
}

.btn-primary{
    display:inline-block;
    background:#00a651;
    color:#fff;
    padding:15px 30px;
    border-radius:50px;
    text-decoration:none;
    font-weight:700;
    white-space:nowrap;
}

@media(max-width:900px){
    .about-grid,
    .mission-grid,
    .values-grid{
        grid-template-columns:1fr;
    }

    .page-hero h1{
        font-size:42px;
    }

    .cta-box{
        flex-direction:column;
        align-items:flex-start;
    }
}